The LF10059R from MtronPTI is a Band Pass Filter with Frequency 1.35 to 2.11 GHz, Bandwidth 760 MHz, Insertion Loss 1 dB, Rejection 30 to 60 dB, Upper Rejection 50 to 60 dB. Tags: Through Hole, Lumped Component Filter. More details for LF10059R can be seen below.